146A7502-57
Zee - RH, Aft
Specifications
- Part Number
- 146A7502-57
- Manufacturer
- —
- ATA ChapterMaintenance system chapter
- 53 — FuselageField reports: 53 (100%) — 2 reports
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- —
- Inventory ClassRotable, expendable, or consumable
- —
- Certification
- OEM
- Aircraft Category
- —
- Criticality
- —
- Life & ShelfTypical service/shelf life — verify against OEM data
- —
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
—
Component-change rate (FAA K-code)*
* Structural ATA chapter (53). Verb-based propensity is suppressed because "REPAIRED" in the SDR text typically refers to the airframe being repaired around the part, not the part itself. FAA K-code component-change rate is the honest signal.
- SDR reports
- 2
- Replace events
- 2
- Repair events
- 0
- K-code events
- 2
Reporting window 2026-03-11 – 2026-04-07Dominant chapter ATA 53
Directional indicator only. Reflects what operators reported to the FAA when a difficulty was logged — not a fleet-normalized failure rate or a cost-based BER. Use alongside operator-specific data.
Airframe Applicability(5)
Alternate / Related Part Numbers(1)
146A7502-57ATSMROpma replacement
Data Sources(1)
- 2026-05-18Pma Oem Expansion
Quick Facts
Airframes5 applicable
Alternates1 found
ClassUnknown
CriticalityUnknown
CategoryUnknown
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